WorksheetsEnergy
Total questions: 15
Worksheet time: 8mins
Name
Class
Date
1.
what is the definition of ev
a)
the surrounding or conditions in which a person animal or plant lives operates
b)
a place where animals live
c)
a place were humans live
d)
just a dead area
2.
what is the definition of renewable energy resource
a)
an energy tht helps the eviorment
b)
an energy tht hurts an eviorments
c)
an energy that has been renewed
d)
it is collected from resouces which are natually replinished on a human timescale
3.
non renewable energy resource
a)
sources are fossil fuels coal petroleum and natural gas
b)
hurts the eviorment
c)
helps the eviorment
4.
what is the definition of fossil fuel
a)
animals tht has decayed
b)
dead animals
c)
a natural fuel such as coal and gas formed in the geochemist past of remains of living organisms
5.
pollution definition
a)
oil and gas everywere
b)
a thing tht is harmful of the eviornment by air
c)
it helps the eviorment
6.
solar energy definition
a)
radiant energy emitted by the sun another term for solar power.
b)
solar system in space
c)
energy tht is wasted
7.
what is photovoltaic cell
a)
is a specialized semiconductor diode that converts visible light into direct current (DC).
b)
it is a cell that have photos
c)
it is a person that takes photos of the cell
8.
what solar battery
a)
a device converting solar radiation into electricity
b)
a battery that you use in a car
9.
solar reflector is systems generate solar power by using mirrors or lenses to concentrate a large area of sunlight, or solar thermal energy, onto a small area.
a)
true
b)
false
10.
wind energy is the use of air flow through wind turbines to mechanically power generators for electricity. Wind power, as an alternative to burning fossil fuels, is plentiful, renewable, widely distributed, clean, produces no greenhouse gas emissions during operation, consumes no water, and uses little land.
a)
true
b)
false
c)
maybe
11.
True or False: Caulking your windows and doors is the easiest way to save energy.
a)
False
b)
True
12.
Heat from the sun travels to Earth by _____.
a)
conduction
b)
convection
c)
insulation
d)
radiation
13.
biomass definition
a)
the total mass of organisms in a given area or volume.organic matter used as a fuel, especially in a power station for the generation of electricity.
b)
a type of mass
c)
a science type of mass
14.
wind energy definition
a)
Wind power is the use of air flow through wind turbines to mechanically power generators for electricity.
b)
and scientist that study the wind
15.
biodegradable means is the process by which organic substances are decomposed by micro-organisms mainly aerobic bacteria into simpler substances such as carbon dioxide, water and ammonia.
a)
true
b)
false
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